Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
46K
CaCO₃ → CaO + CO₂
det| 1 4 ; 3 2 | = -10
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O